Apple Multiple Products Code Execution Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2024-01-08

[ Description ]Official description

The issue was addressed with improved handling of caches. This issue is fixed in tvOS 16.3, iOS 16.3 and iPadOS 16.3, macOS Monterey 12.6.8, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Ventura 13.2, watchOS 9.3. Processing a font file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.1.

CISA: Apple iOS, iPadOS, macOS, tvOS, and watchOS contain an unspecified vulnerability that allows for code execution when processing a font file.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 29 Jan 2024): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• support.apple.com/en-us/HT213599Vendor Advisory
• support.apple.com/en-us/HT213601Vendor Advisory
• support.apple.com/en-us/HT213605Vendor Advisory
• support.apple.com/en-us/HT213606Vendor Advisory
• support.apple.com/en-us/HT213842Vendor Advisory
• support.apple.com/en-us/HT213844Vendor Advisory
• support.apple.com/en-us/HT213845Vendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource